(1999). Potential environment hazards by detergents revealled. Philippine Star.
Cita Chicago (17th ed.)"Potential Environment Hazards by Detergents Revealled." Philippine Star 1999.
Cita MLA (9th ed.)"Potential Environment Hazards by Detergents Revealled." Philippine Star, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.